Pneumatic test plug



FIG. 1 is a lateral side view of the pneumatic test plug of my invention;

FIG. 2 is an end view of the pneumatic test plug of FIG. 1;

FIG. 3 is a view of the opposite end thereof;

FIG. 4 is a top view of the pneumatic test plug of FIG. 1; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for a pneumatic test plug, as shown and described. 